From 6efdcb1e6fa19660de090f04ad50a5402403a947 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Sun, 15 May 2022 09:04:47 +0200
Subject: Simpler code to map GL windows under Wayland.

---
 src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.H   |  1 -
 src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx | 17 ++++++++---------
 2 files changed, 8 insertions(+), 10 deletions(-)

(limited to 'src')

diff --git a/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.H b/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.H
index 7110a8e3a..8a1c4abc2 100644
--- a/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.H
+++ b/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.H
@@ -36,7 +36,6 @@ Consequently, FL_DOUBLE is enforced in all Fl_Gl_Window::mode_ values under Wayl
 class Fl_Wayland_Gl_Window_Driver : public Fl_Gl_Window_Driver {
   friend Fl_Gl_Window_Driver* Fl_Gl_Window_Driver::newGlWindowDriver(Fl_Gl_Window *);
   bool egl_resize_in_progress;
-  bool swap_done;
   Fl_Wayland_Gl_Window_Driver(Fl_Gl_Window *win);
   virtual float pixels_per_unit();
   virtual void make_current_before();
diff --git a/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx b/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx
index 67ad43b9e..7cc646ab2 100644
--- a/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx
+++ b/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx
@@ -56,7 +56,6 @@ Fl_Wayland_Gl_Window_Driver::Fl_Wayland_Gl_Window_Driver(Fl_Gl_Window *win) : Fl
   egl_window = NULL;
   egl_surface = NULL;
   egl_resize_in_progress = false;
-  swap_done = false;
 }
 
 
@@ -242,12 +241,13 @@ void Fl_Wayland_Gl_Window_Driver::make_current_before() {
     egl_surface = eglCreateWindowSurface(egl_display, g->egl_conf, egl_window, NULL);
 //fprintf(stderr, "Created egl surface=%p at scale=%d\n", egl_surface, win->scale);
     wl_surface_set_buffer_scale(surface, win->scale);
-    if (pWindow->parent() && Fl_Wayland_Screen_Driver::compositor == Fl_Wayland_Screen_Driver::WESTON) {
-      bool done = false;
-      struct wl_callback *callback = wl_surface_frame(surface);
-      wl_surface_commit(surface);
-      wl_callback_add_listener(callback, &gl_surface_frame_listener, &done);
-      while (!done) wl_display_dispatch(Fl_Wayland_Screen_Driver::wl_display);
+    bool done = false;
+    struct wl_callback *callback = wl_surface_frame(surface);
+    wl_surface_commit(surface);
+    wl_callback_add_listener(callback, &gl_surface_frame_listener, &done);
+    while (!done) {
+      wl_display_dispatch(Fl_Wayland_Screen_Driver::wl_display);
+      eglSwapBuffers(Fl_Wayland_Gl_Window_Driver::egl_display, egl_surface);
     }
   }
 }
@@ -308,9 +308,8 @@ void Fl_Wayland_Gl_Window_Driver::swap_buffers() {
       wl_display_read_events(Fl_Wayland_Screen_Driver::wl_display);
       wl_display_dispatch_queue_pending(Fl_Wayland_Screen_Driver::wl_display,  gl_event_queue);
     }
-    if (!egl_resize_in_progress || pWindow->parent() || !swap_done) {
+    if (!egl_resize_in_progress || pWindow->parent()) {
        eglSwapBuffers(Fl_Wayland_Gl_Window_Driver::egl_display, egl_surface);
-       swap_done = true;
     }
     egl_resize_in_progress = false;
   }
-- 
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